diff --git a/nix/hm-module.nix b/nix/hm-module.nix
index 95389658..c2137d1f 100644
--- a/nix/hm-module.nix
+++ b/nix/hm-module.nix
@@ -70,6 +70,7 @@ in {
           TimeoutStopSec = "5s";
           Environment = [
             "QT_QPA_PLATFORM=wayland"
+            "QT_QPA_PLATFORMTHEME=gtk3"
           ];
 
           Slice = "session.slice";